- if (e->type() == QEvent::KeyPress) {
- QKeyEvent * ke = static_cast<QKeyEvent*>(e);
- bool modified = (ke->modifiers() == Qt::ControlModifier)
- || (ke->modifiers() == Qt::AltModifier)
- || (ke->modifiers() == Qt::MetaModifier);
-
- switch (ke->key()) {
- case Qt::Key_Escape:
- if (!modified && !filter_.isEmpty()) {
- resetFilter();
- return true;
- }
- break;
- case Qt::Key_Backspace:
- if (!modified) {
- // cut off one character
- setFilter(filter_.left(filter_.length() - 1));
- }
+ if (e->type() != QEvent::KeyPress)
+ return QComboBox::eventFilter(o, e);
+
+ QKeyEvent * ke = static_cast<QKeyEvent*>(e);
+ bool modified = (ke->modifiers() == Qt::ControlModifier)
+ || (ke->modifiers() == Qt::AltModifier)
+ || (ke->modifiers() == Qt::MetaModifier);
+
+ switch (ke->key()) {
+ case Qt::Key_Escape:
+ if (!modified && !filter_.isEmpty()) {
+ resetFilter();
+ return true;
+ }
+ break;
+ case Qt::Key_Backspace:
+ if (!modified) {
+ // cut off one character
+ setFilter(filter_.left(filter_.length() - 1));
+ }
+ break;
+ default:
+ if (modified || ke->text().isEmpty())